SECRET-KEY-CONTROLLED REVERSIBLE CIRCUIT AND CORRESPONDING METHOD OF DATA PROCESSING - Patent 1661295

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EP 1 661 295 A1

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(43)	Date of publication:
	31.05.2006 Bulletin 2006/22

(21)	Application number: 03758653.4

(22)	Date of filing: 05.09.2003

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International Patent Classification (IPC):

H04L 9/06^(1990.01)

(86)	International application number:
	PCT/IT2003/000532

(87)	International publication number:
	WO 2005/025124 (17.03.2005 Gazette 2005/11)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(71)	Applicant: Telecom Italia S.p.A.
	20123 Milano (IT)

(72)	Inventor:
	GOLIC, Jovan, Telecom Italia S.p.A. I-10148 Torino (IT)

(74)	Representative: Giannesi, Pier Giovanni
	Pirelli & C. S.p.A., Viale Sarca, 222 20126 Milan 20126 Milan (IT)

(54)	SECRET-KEY-CONTROLLED REVERSIBLE CIRCUIT AND CORRESPONDING METHOD OF DATA PROCESSING